ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(11), P. 14333 - 14344
Published: March 7, 2024
Metal–organic
framework
(MOF)-modified
biochars
(BC)
have
gained
recognition
as
potent
adsorbents
for
phosphate.
However,
essential
insights
into
the
electronic
interfacial
state
of
MOFs
remain
lacking.
In
this
study,
we
propose
a
novel
topological
transformation
strategy
to
directionally
regulate
states
BC/MOFs
composites.
The
optimized
exhibited
an
excellent
selective
phosphate
adsorption
capacity
188.68
mg·g–1,
coupled
with
rapid
sorption
kinetics
6.81
mg·(g·min0.5)−1
in
simulated
P-laden
wastewater.
When
challenged
real
bioeffluent,
such
efficacy
was
still
maintained
(5
mg·L–1,
25.92
mg·g–1).
This
superior
performance
due
Fe(III)
→
Fe(II)
transition,
promoting
electron
mobility
and
leading
anchoring
Mg(II)
form
specific
coordination
unsaturated
sites
(Mg-CUS)
adsorption.
Importantly,
simultaneous
regulation
binary
defects
further
enhances
mobility,
resulting
formation
sp3
unequal
hybrid
orbitals
stronger
internal
coupling
capability
between
Mg
3s
Mg-CUS
O
2p
Furthermore,
high
affinity
effectively
promotes
cycling,
endowing
distinct
self-healing
facilitate
desorption.
outcomes
study
provide
perspectives
regulated
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(49)
Published: Aug. 17, 2024
Abstract
Covalent
organic
frameworks
(COFs)
are
a
promising
class
of
polymers
with
the
merits
robust
framework,
ultrahigh
porosity,
and
molecularly
precise
backbones,
which
reveals
great
potential
for
solar‐to‐chemical
energy
conversion
in
context
mitigating
environmental
crises.
However,
photochemical
activities
individual
COFs
not
as
desired,
primarily
due
to
their
limited
light
absorption,
insufficient
dissociation
photogenerated
excitons
readily
recombined
carriers.
Recently,
COFs‐based
metal‐free
heterojunctions
synergistic
effects
provide
feasible
route
boost
photocatalytic
activity
more
environmentally
friendly
cost‐competitive
manners.
Herein,
it
is
first
systematically
overview
advances
from
heterojunction
types,
heterointerfaces
interactions,
primary
design
mechanisms.
Then,
typical
photocatalysts
(e.g.,
g‐C
3
N
4
‐COFs,
carbon
materials‐COFs,
polymer
semiconductor‐COFs,
COFs‐COFs
heterojunction)
summarized.
Finally,
challenges
long‐term
outlooks
future
offered
terms
efficiency,
yield,
stability,
cost
reaction
mechanisms,
well
standardized
evaluation
method
activities.
It
anticipated
that
this
review
can
deliver
new
insights
into
fundamental
engineering
conversion,
further
accelerate
development
area.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(34)
Published: April 27, 2023
Abstract
Although
the
piezo‐catalysis
is
promising
for
environmental
remediation
and
biomedicine,
piezo‐catalytic
properties
of
various
piezoelectric
materials
are
limited
by
low
carrier
concentrations
mobility,
rapid
electron‐hole
pair
recombination,
reported
regulating
strategies
quite
complex
difficult.
Herein,
a
new
simple
strategy,
integrating
phase
boundary
engineering
defect
engineering,
to
boost
activity
potassium
sodium
niobate
((K,
Na)NbO
3
,
KNN)
based
innovatively
proposed.
Tur
strategy
validated
exampling
0.96(K
0.48
Na
0.52
)Nb
0.955
Sb
0.045
O
‐0.04(Bi
x
4‐3
)
0.5
ZrO
‐0.3%Fe
2
material
having
conducted
via
high‐energy
sand‐grinding.
A
high
reaction
rate
constant
k
92.49
×
10
−3
min
−1
in
sand‐grinding
sample
obtained,
which
2.40
times
than
that
non‐sand‐grinding
one
superior
those
other
representative
lead‐free
perovskite
materials.
Meanwhile,
has
remarkable
bactericidal
against
Escherichia
coli
Staphylococcus
aureus.
Superior
activities
originate
from
enhanced
separation
increased
concentration.
This
study
provides
novel
method
improving
holds
great
promise
harnessing
natural
energy
disease
treatment.
Advanced Energy Materials,
Journal Year:
2023,
Volume and Issue:
13(42)
Published: Sept. 24, 2023
Abstract
With
the
rapidly
increasing
demand
for
grid‐scale
energy
storage
systems,
rechargeable
aqueous
zinc
ion
batteries
(ZIBs)
are
capturing
attention
as
a
highly
promising
technology
with
low
cost
and
high
safety.
Nevertheless,
rampant
dendrite
growth,
hydrogen
evolution
reaction
(HER),
corrosion
of
anode
have
dramatically
impacted
their
practical
application.
Here,
self‐supported
modified
layer
ultrafine
high‐entropy
nanoparticles
(2
nm)
zincophilic
sites
is
realized
to
modify
Zn
first
time.
High‐entropy
materials
unique
continuously
distributed
potential
gaps
significantly
reduce
activation
multi‐electron
reactions
modulate
transport
during
deposition.
Moreover,
thanks
hydrophobic
properties
effective
desolventizing
ability
nanomaterial,
unfavorable
side
prevented
promote
deposition
process.
As
result,
stable
cycling
3500
h
at
1
mA
cm
−2
600
current
density
10
achieved.
Coin
cells
flexible
pouch
assembled
KMO
NH
4
V
O
cathodes
also
demonstrate
promoted
electrochemical
performance.
The
dual
effects
accelerating
homogenizing
mechanisms
in
provide
new
strategy
stabilizing
metal
anodes.
Small,
Journal Year:
2023,
Volume and Issue:
20(18)
Published: Dec. 6, 2023
Abstract
Efficient
bifunctional
hydrogen
electrocatalysis,
encompassing
both
evolution
reaction
(HER)
and
oxidation
(HOR),
is
of
paramount
significance
in
advancing
hydrogen‐based
societies.
While
non‐precious‐metal‐based
catalysts,
particularly
those
based
on
nickel
(Ni),
are
essential
for
alkaline
HER/HOR,
their
intrinsic
catalytic
activity
often
falls
short
expectations.
Herein,
an
internal
electric
field
(IEF)
strategy
introduced
the
engineering
heterogeneous
nickel‐vanadium
oxide
nanosheet
arrays
grown
porous
foam
(Ni‐V
2
O
3
/PNF)
as
electrocatalysts
electrocatalysis.
Strikingly,
Ni‐V
/PNF
delivers
10
mA
cm
−2
at
overpotential
54
mV
HER
a
mass‐specific
kinetic
current
19.3
A
g
−1
50
HOR,
placing
it
par
with
benchmark
20%
Pt/C,
while
exhibiting
enhanced
stability
electrolytes.
Density
functional
theory
calculations,
conjunction
experimental
characterizations,
unveil
that
interface
IEF
effect
fosters
asymmetrical
charge
distributions,
which
results
more
thermoneutral
adsorption
Gibbs
free
energy
electron‐deficient
Ni
side,
thus
elevating
overall
efficiency
HOR.
The
discoveries
reported
herein
guidance
provided
further
understanding
designing
efficient
through
strategy.
Small,
Journal Year:
2024,
Volume and Issue:
20(28)
Published: May 21, 2024
Charge
separation
driven
by
the
internal
electric
field
is
a
research
hotspot
in
photocatalysis.
However,
it
remains
challenging
to
accurately
control
continuously
accelerate
charge
transfer.
Herein,
strategy
of
constructing
tandem
transfer
photocatalysts
proposed.
The
plasma
field,
interface
and
intramolecular
are
integrated
into
Ag/g-C
